GB1539951A - Method of chemically strengthening an ophthalmic lens - Google Patents

Method of chemically strengthening an ophthalmic lens

Info

Publication number
GB1539951A
GB1539951A GB33894/76A GB3389476A GB1539951A GB 1539951 A GB1539951 A GB 1539951A GB 33894/76 A GB33894/76 A GB 33894/76A GB 3389476 A GB3389476 A GB 3389476A GB 1539951 A GB1539951 A GB 1539951A
Authority
GB
United Kingdom
Prior art keywords
ophthalmic lens
chemically strengthening
strengthening
chemically
ophthalmic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB33894/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
Original Assignee
American Optical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of GB1539951A publication Critical patent/GB1539951A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
GB33894/76A 1975-08-20 1976-08-13 Method of chemically strengthening an ophthalmic lens Expired GB1539951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/606,033 US4012131A (en) 1975-08-20 1975-08-20 High strength ophthalmic lens

Publications (1)

Publication Number Publication Date
GB1539951A true GB1539951A (en) 1979-02-07

Family

ID=24426232

Family Applications (2)

Application Number Title Priority Date Filing Date
GB17547/78A Expired GB1539952A (en) 1975-08-20 1976-08-13 Method of chemically strengthening an ophthalmic lens
GB33894/76A Expired GB1539951A (en) 1975-08-20 1976-08-13 Method of chemically strengthening an ophthalmic lens

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB17547/78A Expired GB1539952A (en) 1975-08-20 1976-08-13 Method of chemically strengthening an ophthalmic lens

Country Status (6)

Country Link
US (1) US4012131A (en)
JP (1) JPS5226238A (en)
CA (1) CA1083820A (en)
DE (1) DE2635140C2 (en)
FR (1) FR2321460A1 (en)
GB (2) GB1539952A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192689A (en) * 1978-05-30 1980-03-11 Ppg Industries, Inc. Ion exchange strengthening of soda-lime-silica glass
US4297141A (en) * 1978-09-05 1981-10-27 Sumita Optical Glass Manufacturing Co., Ltd. Optical glass for optical paths
JPS5918131A (en) * 1984-01-27 1984-01-30 Nippon Kogaku Kk <Nikon> Light-weight optical glass
US4665050A (en) * 1984-08-13 1987-05-12 Pall Corporation Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same
US4872896A (en) * 1988-05-27 1989-10-10 Alfred University Process for strengthening glass
US5039631A (en) * 1990-01-11 1991-08-13 Schott Glass Technologies, Inc. Strengthenable, high non-nd lanthanoid-containing glasses
US5077240A (en) * 1990-01-11 1991-12-31 Schott Glass Technologies, Inc. Strengthenable, high neodymium-containing glasses
US5059561A (en) * 1990-03-16 1991-10-22 Schott Glass Technologies, Inc. UV attenuated colored glasses
CZ278892B6 (en) * 1991-05-08 1994-08-17 Vysoka Skola Chem Tech Lead-free crystal glass
ES2092707T3 (en) * 1992-04-10 1996-12-01 Schott Glaswerke GLASS GLASS FREE OF LEAD AND NEIGHBORHOOD WITH HIGH LIGHT TRANSMISSION.
US5714422A (en) * 1994-09-16 1998-02-03 Favrot; Guy A. Transparent glass
FR2728557A1 (en) * 1994-12-27 1996-06-28 Corning France NEW LENSES AND OPHTHALMIC LENSES
GB2299991B (en) * 1995-04-20 1998-09-09 Ag Technology Corp Glass substrate for magnetic disk
DE19650692C2 (en) * 1996-12-06 1999-01-14 Schott Glas Lead-free crown glasses
FR2856055B1 (en) * 2003-06-11 2007-06-08 Saint Gobain Vetrotex GLASS YARNS FOR REINFORCING ORGANIC AND / OR INORGANIC MATERIALS, COMPOSITES COMPRISING SAME AND COMPOSITION USED THEREFOR
FR2879591B1 (en) * 2004-12-16 2007-02-09 Saint Gobain Vetrotex GLASS YARNS FOR REINFORCING ORGANIC AND / OR INORGANIC MATERIALS
US8586491B2 (en) 2005-11-04 2013-11-19 Ocv Intellectual Capital, Llc Composition for high performance glass, high performance glass fibers and articles therefrom
US9656903B2 (en) * 2005-11-04 2017-05-23 Ocv Intellectual Capital, Llc Method of manufacturing high strength glass fibers in a direct melt operation and products formed there from
US8338319B2 (en) 2008-12-22 2012-12-25 Ocv Intellectual Capital, Llc Composition for high performance glass fibers and fibers formed therewith
US9187361B2 (en) 2005-11-04 2015-11-17 Ocv Intellectual Capital, Llc Method of manufacturing S-glass fibers in a direct melt operation and products formed there from
US7799713B2 (en) * 2005-11-04 2010-09-21 Ocv Intellectual Capital, Llc Composition for high performance glass, high performance glass fibers and articles therefrom
US7823417B2 (en) * 2005-11-04 2010-11-02 Ocv Intellectual Capital, Llc Method of manufacturing high performance glass fibers in a refractory lined melter and fiber formed thereby
US8252707B2 (en) * 2008-12-24 2012-08-28 Ocv Intellectual Capital, Llc Composition for high performance glass fibers and fibers formed therewith
US8873028B2 (en) * 2010-08-26 2014-10-28 Apple Inc. Non-destructive stress profile determination in chemically tempered glass
TW201228952A (en) * 2010-12-10 2012-07-16 Asahi Glass Co Ltd Process for manufactuing chemically strengthened glass
US10407339B2 (en) * 2015-02-26 2019-09-10 Corning Incorporated Ion exchangeable soft glasses for three-dimensional shapes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE638146A (en) * 1962-10-04
US3357876A (en) * 1965-01-19 1967-12-12 Pittsburgh Plate Glass Co Method of strengthening a glass article by ion exchange
US3477834A (en) * 1968-05-17 1969-11-11 Ppg Industries Inc Method for strengthening glass
GB1286516A (en) * 1968-12-10 1972-08-23 Brockway Glass Co Inc Method of strengthening glass and increasing the scratch resistance of the surface thereof
US3697242A (en) * 1969-03-13 1972-10-10 Anchor Hocking Corp Strengthening borosilicate glass by crowding surface layer with lioh and/or koh
US3741739A (en) * 1970-07-07 1973-06-26 Owens Illinois Inc Method of strengthening glass
US3790260A (en) * 1972-01-03 1974-02-05 Corning Glass Works High strength ophthalmic lens

Also Published As

Publication number Publication date
CA1083820A (en) 1980-08-19
JPS5226238A (en) 1977-02-26
DE2635140A1 (en) 1977-03-03
GB1539952A (en) 1979-02-07
DE2635140C2 (en) 1986-11-27
FR2321460A1 (en) 1977-03-18
US4012131A (en) 1977-03-15
FR2321460B1 (en) 1982-06-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee